公开(公告)号：US20230216154A1

公开(公告)日：2023-07-06

申请号：US18184213

申请日：2023-03-15

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Denghua Lin ,  Jie Sun ,  Zhijun Guo ,  Yongbin Wu ,  Peng Wang ,  Haizu Jin

IPC: H01M50/533 ,  H01M50/103

CPC classification number: H01M50/533 ,  H01M50/103

Abstract: The present application relates to a current collecting member, a battery cell, a battery, and a power consuming device, which belong to the technical field of battery manufacturing. The present application provides a current collecting member for a battery cell. The current collecting member comprises: a terminal connecting portion for connection to an electrode terminal of the battery cell; a tab connecting portion for connection to a tab of the battery cell; and a transitional portion for connecting the terminal connecting portion and the tab connecting portion; wherein the transitional portion has a width greater than that of the tab connecting portion. The present application further provides a battery cell, a battery, and a power consuming device, which comprise the current collecting member. The battery cell, the battery and the power consuming device all have high safety performance and energy density due to the features of the current collecting member.

公开(公告)号：US20230123414A1

公开(公告)日：2023-04-20

申请号：US18066286

申请日：2022-12-15

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Wenlin Zhou ,  Quankun Li ,  Peng Wang ,  Haizu Jin

IPC: H01M50/30 ,  H01M50/15 ,  H01M50/533 ,  H01M50/103

Abstract: A battery cell, a battery, an electric device, and a method and device for manufacturing battery cell are provided. The battery cell includes an electrode assembly; and a housing configured to accommodate the electrode assembly, where a first wall of the housing includes a first body and a mounting body connected to the first body, the mounting body is provided with a pressure relief mechanism, and the pressure relief mechanism is configured to be actuated when internal pressure or temperature of the battery cell reaches a threshold, so as to relieve the pressure; in a thickness direction of the first wall, at least part of the mounting body protrudes out of a surface of the first body facing the electrode assembly in a direction approaching the electrode assembly.

公开(公告)号：US20230121633A1

公开(公告)日：2023-04-20

申请号：US18068524

申请日：2022-12-20

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Yu Tang ,  Peng Wang ,  Xiayi Wu ,  Xiang Wang ,  Zhenhua Li ,  Xing Li

IPC: H01M50/242 ,  H01M50/204 ,  H01M50/291 ,  H01M10/16

Abstract: Embodiments provide a battery and a power consuming device. In some embodiments, the battery includes: a case assembly, including a case and fixed beams fixed in the case; a battery module, arranged in the case and including a plurality of battery cells; a first restraining component, configured to cover the battery module and fixed to the fixed beams; and a second restraining component, located on the side of the first restraining component away from the battery module and fixed to the fixed beams, wherein the second restraining component is provided with a weak area, and the second restraining component is configured to apply a restraining force to the first restraining component and to allow expansion of the battery cells in the weak area.

公开(公告)号：US20230114679A1

公开(公告)日：2023-04-13

申请号：US18064933

申请日：2022-12-13

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Wanqiu Meng ,  Qian Liu ,  Yonghuang Ye ,  Yulian Zheng ,  Longfei Xue ,  Xiaoxi Zhang ,  Peng Wang

IPC: H01M50/30 ,  H01M50/147

Abstract: A battery cell, a cover assembly, a battery, an electric apparatus, a method, and a device are provided. The battery cell includes: an electrode assembly; a housing to accommodate the electrode assembly, where a wall portion of the housing includes a body portion and a fastener, the fastener is provided with a recess communicating with the outside, and the recess is arranged on an inner surface of the fastener facing the electrode assembly and recessed in a direction leaving the electrode assembly; and an air-permeable member covering the recess, where the air-permeable member is configured to allow gas to be discharged to the outside of the housing through the recess when a gas pressure inside the housing reaches a threshold, a bottom wall of the recess is provided with a protruding portion extending toward the electrode assembly, and the protruding portion is configured to be attached to the air-permeable member.

公开(公告)号：US11588205B2

公开(公告)日：2023-02-21

申请号：US17113034

申请日：2020-12-05

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Kai Wu ,  Wei Wang ,  Yuepan Hou ,  Peng Wang ,  Xiaobo Chen ,  Yao Li ,  Yongshou Lin

IPC: H01M50/342 ,  H01M10/6554 ,  H01M10/6567 ,  H01M50/20

Abstract: Embodiments of the present application provide a battery, a power consumption device, a method and device for preparing a battery. The battery includes: a battery cell including a pressure relief mechanism, the pressure relief mechanism being disposed at a first wall of the battery cell; and a thermal management component configured to accommodate a fluid to adjust a temperature of the battery cell; where a first surface of the thermal management component is attached to the first wall of the battery cell, the thermal management component is configured to be capable of being damaged by emissions discharged from the battery cell when the pressure relief mechanism is actuated, such that the emissions pass through the thermal management component. According to the technical solutions of the embodiments of the present application, the safety of the battery can be enhanced.

公开(公告)号：US11588186B2

公开(公告)日：2023-02-21

申请号：US17488497

申请日：2021-09-29

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Peng Wang ,  Xingdi Chen ,  Mingdi Xie ,  Linggang Zhou ,  Zhanyu Sun ,  Kai Wu

IPC: H01M10/00 ,  H01M10/42 ,  B60L50/60 ,  H01M50/502 ,  H01M50/531 ,  H01M50/564 ,  B60K1/04

Abstract: A battery module, a device, and a failure handling method for a failed battery cell. The battery module includes: a battery cell arrangement structure, including a plurality of battery cells arranged along a length direction, where the battery cells include electrode terminals, and the battery cells include a failed battery cell; a box body, having an accommodation cavity in which the battery cell arrangement structure is located; a mounting beam, located in the accommodation cavity and at an end of the battery cell arrangement structure along the width direction; a pressing plate; and a conductive component, connected to a positive electrode terminal and a negative electrode terminal of the failed battery cell. The conductive component is easily connected to electrode terminals of a failed battery cell, so that a maintenance process can be simplified and maintenance costs can be reduced.

公开(公告)号：US20230032539A1

公开(公告)日：2023-02-02

申请号：US17935937

申请日：2022-09-28

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Yu Tang ,  Haiqi Yang ,  Peng Wang ,  Xiaoteng Huang

IPC: H01M10/6556 ,  H01M10/625

Abstract: A battery, an electric apparatus, and a method for preparing battery are provided. In some embodiments, the battery includes at least two layers of battery units arranged in a first direction and a box having an upper cover and a box housing, where the at least two layers of battery units are accommodated in a space formed by the upper cover and the box housing; in the first direction, the at least two layers of battery units include a first battery unit at a top layer and a second battery unit at a bottom layer; and flow channels are formed on the upper cover and the box housing, the flow channel is configured to accommodate fluid, the upper cover is configured to adjust temperature of the first battery unit via the fluid, and the box housing is configured to adjust temperature of the second battery unit via the fluid.

公开(公告)号：US20230030782A1

公开(公告)日：2023-02-02

申请号：US17935130

申请日：2022-09-25

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Yu Tang ,  Haiqi Yang ,  Zhimin Zeng ,  Peng Wang ,  Xiaoteng Huang

IPC: H01M50/342 ,  H01M50/289

Abstract: A battery, a powered device, and a method and device for preparing a battery are provided. In some embodiments, the battery includes: a first battery cell and a second battery cell, wherein a pressure relief mechanism of the first battery cell and a pressure relief mechanism of the second battery cell are arranged opposite to each other in a first direction; a box body accommodating the first battery cell and the second battery cell; and a partition component configured to partition the first battery cell and the second battery cell in the first direction, wherein the partition component includes a first wall and a second wall arranged opposite to each other, the first wall is provided with a first through hole, the second wall is provided with a second through hole.

公开(公告)号：US20230015012A1

公开(公告)日：2023-01-19

申请号：US17934576

申请日：2022-09-23

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Chengyou Xing ,  Zhijun Guo ,  Peng Wang ,  Taosheng Zhu ,  Yulian Zheng

IPC: H01M50/531 ,  H01M10/0587 ,  H01M10/04 ,  H01M50/538 ,  H01M10/0525

Abstract: Provided is a rechargeable battery including an electrode assembly comprising an electrode assembly body and an electrode tab protruding from the electrode assembly body, and a connecting member comprising a guiding plate and a first connecting plate connected to the guiding plate. The guiding plate extends in a width direction and the first connecting plate extends away from a plate surface of the guiding plate along the width direction or extends toward the plate surface of the guiding plate along the width direction. The electrode tab has a stacked multi-layer structure, the electrode tab protrudes from a portion of an end surface of the electrode assembly body in a longitudinal direction at a side of a split of the electrode assembly body perpendicular to the width direction, and the electrode tab is bent with respect to a longitudinal direction and is connected to the first connecting plate.

公开(公告)号：US20220407192A1

公开(公告)日：2022-12-22

申请号：US17821807

申请日：2022-08-24

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Quankun Li ,  Wenzhong Liu ,  Huasheng Su ,  Qifan Zou ,  Peng Wang

IPC: H01M50/533 ,  H01M50/107 ,  H01M50/152 ,  H01M50/536 ,  H01M50/566 ,  H01M50/559

Abstract: A battery cell, a manufacturing method, a manufacturing system, a battery and an electrical device are provided. In some embodiments, the battery cell of includes an electrode component; a casing for accommodating the electrode component and having an opening; an end cap for sealing the opening of the casing; a current collector member for electrically connecting the electrode component and the end cap, the current collector member including a base portion and an elastic portion connected to the base portion. The elastic portion abuts against the electrode component, so the elastic portion is not required to be welded to the electrode component, thus reducing metal particles to lower the risk of short circuit. The elastic portion is able to deform when squeezed by the electrode component and release the pressure therebetween by deformation, reducing the risk of crushing the electrode component due to excessive pressure.